Persistenzklasse eingerichtet

infrastructure/Persistenz.java

@@ -1,4 +1,24 @@
 package infrastructure;
 
+import java.io.*;
+
 public class Persistenz {
+   private static final String FACTORY_DATA = "Factory.ser";
+   public static boolean existsSavedData(String name){
+      return new File(name + FACTORY_DATA).exists();
+   }
+
+   public static void saveFactoryData(Object Factory, String name) throws Exception{
+      ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(name + FACTORY_DATA));
+      oos.writeObject(Factory);
+      oos.close();
+   }
+
+   public static Object loadFactoryData(String name) throws Exception{
+      ObjectInputStream ois = new ObjectInputStream(new FileInputStream(name + FACTORY_DATA));
+      Object Factory = ois.readObject();
+      ois.close();
+      return Factory;
+   }
+
 }